Pith Number

pith:VVFP2QWA

pith:2021:VVFP2QWA5VPV5WNPNM5KNPHSXV

not attested not anchored not stored refs pending

Improving Video Instance Segmentation via Temporal Pyramid Routing

Dacheng Tao, Guangliang Cheng, Hao He, Henghui Ding, Kuiyuan Yang, Xiangtai Li, Yibo Yang, Yunhai Tong

arxiv:2107.13155 v2 · 2021-07-28 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VVFP2QWA5VPV5WNPNM5KNPHSXV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T05:00:13.774815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad4afd42c0ed5f5ed9af6b3aa6bcf2bd6f848a4e7018d5a5437cf2ccf2c09aa3

Aliases

arxiv: 2107.13155 · arxiv_version: 2107.13155v2 · doi: 10.48550/arxiv.2107.13155 · pith_short_12: VVFP2QWA5VPV · pith_short_16: VVFP2QWA5VPV5WNP · pith_short_8: VVFP2QWA

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/VVFP2QWA5VPV5WNPNM5KNPHSXV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ad4afd42c0ed5f5ed9af6b3aa6bcf2bd6f848a4e7018d5a5437cf2ccf2c09aa3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36421d340e648efc4017537a523673d4e5c89504f0244cd60e7cc5d11cdd21fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-28T03:57:12Z",
    "title_canon_sha256": "af6090dba1b04397bba7b5f3bc7340b8ffdc82809fb23f1b9c4c4ba795f33161"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.13155",
    "kind": "arxiv",
    "version": 2
  }
}